Thank you and thank you google. If you are running Cisco's VPNClient on Mac OSX, you might be familiar with (or tormented by) "Error 51: Unable to communicate with the VPN subsystem". Dmill from chicago #130 | Wednesday, December 31, 2008 11:36 AM Great. Your PC frequently crashes with Error 51 when running the same program. “Cisco Vpn Client Error 51” is displayed. Source
Please let us know where we go from here ? That format is the most common one that software programmers employ for Windows system files and Windows OS-compatible hardware drivers and software apps. Here is a Cisco support document that states: The Cisco IPSec cliet for Mac OS X does not support the 64 bit kernel. Try creating a native VPN connection: http://anders.com/guides/native-cisco-vpn-on-mac-os-x/ Julie from Somerville, Ma #221 | Saturday, April 9, 2011 5:50 PM I'm not able to type a password after I paste the codes
Here's a guide that tells you how to convert from CiscoVPN to the native OS X client. Cisco VPN Client) under the Name column. Please Note: Click the [ ] image to expand the troubleshooting instructions for each step below. i just am cursed i think :) ike from australia #36 | Sunday, November 25, 2007 8:59 PM chmod'ing file permissions fixed it for me: sudo chmod 777 /etc/opt/cisco-vpnclient/Profiles/ bcgrafx from
Daniel Gauthier from Missoula #91 | Tuesday, July 15, 2008 10:09 PM Cisco VPN Error 51: unable to communicate with VPN subsystem My Windows Fix... It just started immediately after I installed Missing Sync 6 for Palm OS... Finding the exact driver for your Error 51-related hardware device can be extremely difficult, even directly on the Cisco Systems, Inc. Cisco Vpn Error 51 Mac Mario from Pennsylvania #73 | Friday, May 9, 2008 9:08 AM Thanks for the tip...
A Error 51 Cisco Vpn Windows 7 error code is caused by a Hexadecimal formatting error. Worked beautifully. ;) LB from Washington #185 | Tuesday, May 4, 2010 8:18 AM Worked like a charm. Many applications require installation of memory management programs. http://helpdesk.ugent.be/vpn/en/faq_cisco.php?id=51 If that is the case, then it is likely you will need to replace the associated hardware causing the 51 error.
Nathan from Medford, WI #92 | Monday, July 21, 2008 10:33 PM Hi eveyone, this is by far the most knowledgeable set of posts about Cisco VPN on OS X, and Cisco Vpn Windows Xp Contact your support personnel or package vendor. (error when installing Cisco) Error 28000 (error when installing Cisco because there is still (a part of) an old installation present on the system) I fixed my issue with a combination of both of the most used methods above: verifying the permissions in the disk utility, and then reloading the driver. Follow the on-screen directions to complete the uninstallation of your Error 51-associated program.
Keeping track of when and where your 51 error occurs is a critical piece of information in troubleshooting the problem. my company Also, it would seem that Cisco is unable to respect conventions of not putting startup items /System/Library/StartupItems. Cisco Vpn Error 51 Windows 7 I have Loepard on my desktop but not my laptop yet and my desktop is at work so I can't test the VPN. Cisco Vpn Client Error 51 Windows 7 Nabha from California #189 | Friday, July 9, 2010 10:50 AM Holy smokes, thanks for sharing this; it worked perfectly.
Thanks! http://bscoptics.com/cisco-vpn/cisco-vpn-error-1720-vista.html It might also be a good idea to create a small script with the above commends so it can be executed every time the error occurs. Moguul from Regensburg, Germany #160 | Monday, October 19, 2009 1:38 PM Thanks Dan, works great with my Version and Snow Leopard. ;-) Dave T from NYC, NY, USA #161 | thanks a lot! Cisco Vpn Client Error 51 Windows 8
CJ from maryland #206 | Monday, December 6, 2010 9:02 PM I'm receiving the VPN error 51 but i am using a PC not a Mac. Is there a different error message? Matt from wiltshire UK #167 | Thursday, November 12, 2009 8:26 AM Cheers Dan , Your a Top Man !! http://bscoptics.com/cisco-vpn/cisco-vpn-client-error-28000-windows-vista.html There is, apparently, a more permanent fix, but I'm a bit nervous to try it.
THANK YOU! Cisco Vpn Windows Xp Download Anyone have any suggestions. Just keep typing and hit enter when done.
This is my first Mac and i've not had it long. I'm using OS 10.5.2. George Coller from Austin, TX #26 | Friday, November 16, 2007 1:39 PM Cool, glad I found this! Cisco Vpn Windows Xp Home In case anyone sees this as well, what caused the problem was the CiscoVPN.kext file corrupted, probably either on install of Snow Leopard, or update of a security patch to it--probably
This worked beautifully, I am now booted into the 64-bit kernel and VPN-ing without Cisco's klugey code. If recurrent memory-related Error 51 Cisco Vpn Windows 7 errors occur when specific programs are executed, the software itself is likely at fault. Grant from Melbourne, Australia #82 | Friday, June 13, 2008 7:36 AM Thank you. http://bscoptics.com/cisco-vpn/cisco-vpn-error-443-vista.html Tried everything above to no avail - including a post from another forum recommending to turn off web sharing.
I have a shortcut that does it ;) Another tip if you want to use Cisco VPN over a PPP connection: Shut down vmware and parallels. Others from the office with 10.5 are able to launch Cisco VPN and connect. I searched through Cisco's crap for 15 minutes and then gave up on them. Error 1722: There is a problem with this Windows Installer package.
Type "regedit" and hit ENTER. Bernstein from Dayton, OH #181 | Sunday, April 11, 2010 9:03 AM Thanks! File Extensions Device Drivers File Troubleshooting Directory File Analysis Tool Errors Troubleshooting Directory Malware Troubleshooting Windows 8 Troubleshooting Guide Windows 10 Troubleshooting Guide Multipurpose Internet Mail Extensions (MIME) Encyclopedia Windows Performance Kristy from Chicago #188 | Thursday, June 10, 2010 9:07 AM Thanks for posting.
Tried your suggestion of restarting the Cisco VPN from terminal and it worked. I'm running 10.5.1. With updated device drivers, you can finally unlock new hardware features and improve the speed and performance of your PC. DB from Columbia, MO #94 | Wednesday, July 30, 2008 11:55 PM Anders Your the fricking man, the solution worked just as you said it would, and now I can finish